Respond to Active yeast measures converter

Made easy conversion of active yeast for 7 grams and 15 grams into teaspoons and ounces. Baking with active dry yeast today. The convert went very quickly, thank you for the great help.
7g equals 2.5 tsp or 0.25 oz which to my knowledge is 1/4 oz
15g equals 5.3 tsp or 0.5 oz